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    MMM-Temperature

    Utilities
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    • wishmaster270
      wishmaster270 Module Developer last edited by wishmaster270

      Description:

      This is a simple module which uses external scripts as data source to display the temperature and humidity of different sensors.
      As i use an HTU21 sensor a script to read the values is included already. There scripts to read data of DHT11, DHT22, BME280, DS18B20 included as of version 0.0.2.

      Download:

      MMM-Temperature


      Version 0.0.3

      This new version 0.0.3 provides the following features:

      • it is now possible to specify a useValueCnt for each sensor. If the sensor provides data less periodically than the updateInterval (i.e. because the sensor sends the data via MQTT less frequently) the data can be used multiple intervals before it gets invalidated and “na” will be displayed.
      • added an example of howto provide data of an DHT11 (or DHT21, DHT22) sensor connected to an ESP8266 board which uses MQTT and deep sleep.
      • added an example of howto provide data of an DHT11 (or DHT21, DHT22) sensor connected to an ESP8266 board which uses plain tcp

      Version 0.0.2

      This new version provides the following improvements:

      • The values of sensors now can be updated via notification now.
      • It is possible to hide the temperature and humidity section for either all sensors or specific ones.
      • There are now scripts included to read values of DHT11, DHT22, BME280, HTU21 or DS18B20 connected to the Raspberry Pi.
      • There are different examples of howto read values of sensors connected to micro controllers via plain TCP or MQTT (with help of the MMM-MQTTbridge module).
      • As every wrapper now gets specific css classes assign you can customize the colors more easy

      Version 0.0.1

      The initial release provides the following features

      • read temperature of sensors by calling scripts with arguments
      • multiple sensors with different data scripts can be added
      • sensors can be displayed with or without name
      • an example script to read the data of an HTU21 sensor attached to the I2C bus of the raspberry is included and will be used as default data source
      • an example of how to connect an HTU21 sensor to an ESP32 micro controller with build-in wifi is included also

      Screenshots

      Mykle1 1 Reply Last reply Reply Quote 1
      • Mykle1
        Mykle1 Project Sponsor Module Developer @wishmaster270 last edited by Mykle1

        @wishmaster270

        Nice! I don’t have/use sensors but cool just the same!

        1 Reply Last reply Reply Quote 0
        • H
          Hadr1en Project Sponsor last edited by

          Hello !

          Nice script but can you tell us what information you need to execute scripts ? Maybe I should open a troubleshooting thread but I tried with the examples with AdafruitDHT.py script and have this config :

          {
              module: 'MMM-Temperature',
              position: 'top_right',
              config: {
          sensors: [				
          name: "Test",
          script: "/home/pi/Adafruit_Python_DHT/examples/AdafruitDHT.py",
          args: "11 2"
          	] 
              }
          },
          

          And get an error (but if I use the script alone, i get the temperature and humidity)

          Thanks !

          wishmaster270 1 Reply Last reply Reply Quote 0
          • wishmaster270
            wishmaster270 Module Developer @Hadr1en last edited by

            @Hadr1en Hi, the module expects an json string as output of the script it executes. There is a section in the readme which shows an example:

            {
               "humidity": 32.61236572265625,
               "temperature_c": 25.50150878906249, //Temperature in °C
               "temperature_f": 77.9027158203125, //Temperature in °F
               "error": false
            }
            

            What kind of error do you get?

            1 Reply Last reply Reply Quote 0
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